Breeding can help protect your herd from TB and Liver Fluke infection.
PTAs are interpretative of the expected prevalence of TB or Liver Fluke infection in that animal's progeny.
Therefore, lower PTAs are more desirable.
| Trait | Reliability | PTA | Percentile |
|---|---|---|---|
| TB (%) | 98% (V High) | 5.8 | 83 |
| Liver Fluke (%) | 85% (V High) | 32.8 | 27 |
| Trait | Reliability | PTA | Percentile |
|---|---|---|---|
| TB (%) | 98% (V High) | 5.8 | 68 |
| Liver Fluke (%) | 85% (V High) | 32.8 | 83 |
| Date of Evaluation | Trait | Total Herds | Total Progeny Records | Average Progeny Prevalence | Total Herdmate Records | Average Herdmate Prevalence | Interpretation |
|---|---|---|---|---|---|---|---|
| Sep 2025 | TB (%) | 423 | 850 | 4% of progeny were TB Reactors | 27098 | 4% of herdmates were TB reactors | Progeny had same prevalance as herdmates |
| May 2025 | TB (%) | 414 | 840 | 4% of progeny were TB Reactors | 26083 | 4% of herdmates were TB reactors | Progeny had same prevalance as herdmates |
| Sep 2025 | Liver Fluke (%) | 823 | 1661 | 10% of progeny had damaged livers | 9095 | 8% of herdmates had damaged livers | Progeny had higher (worse) prevalance than herdmates |
| May 2025 | Liver Fluke (%) | 819 | 1657 | 10% of progeny had damaged livers | 9057 | 8% of herdmates had damaged livers | Progeny had higher (worse) prevalance than herdmates |
| Field | TB (Current) | TB (Previous) | Liver Fluke (Current) | Liver Fluke (Previous) |
|---|---|---|---|---|
| Date of Evaluation | Sep 2025 | May 2025 | Sep 2025 | May 2025 |
| Trait | TB (%) | TB (%) | Liver Fluke (%) | Liver Fluke (%) |
| Total Herds | 423 | 414 | 823 | 819 |
| Total Progeny Records | 850 | 840 | 1661 | 1657 |
| Average Progeny Prevalence | 4% of progeny were TB Reactors | 4% of progeny were TB Reactors | 10% of progeny had damaged livers | 10% of progeny had damaged livers |
| Total Herdmate Records | 27098 | 26083 | 9095 | 9057 |
| Average Herdmate Prevalence | 4% of herdmates were TB reactors | 4% of herdmates were TB reactors | 8% of herdmates had damaged livers | 8% of herdmates had damaged livers |
| Interpretation | Progeny had same prevalance as herdmates | Progeny had same prevalance as herdmates | Progeny had higher (worse) prevalance than herdmates | Progeny had higher (worse) prevalance than herdmates |